/*
 * Zed Attack Proxy (ZAP) and its related class files.
 * 
 * ZAP is an HTTP/HTTPS proxy for assessing web application security.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"); 
 * you may not use this file except in compliance with the License. 
 * You may obtain a copy of the License at 
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0 
 *   
 * Unless required by applicable law or agreed to in writing, software 
 * distributed under the License is distributed on an "AS IS" BASIS, 
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 
 * See the License for the specific language governing permissions and 
 * limitations under the License. 
 */
package org.zaproxy.zap.extension.httppanel.component.all.request;

import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

import org.apache.log4j.Logger;
import org.parosproxy.paros.network.HttpMessage;
import org.zaproxy.zap.extension.httppanel.view.impl.models.http.request.RequestStringHttpPanelViewModel;
import org.zaproxy.zap.extension.httppanel.view.text.HttpPanelTextArea;
import org.zaproxy.zap.extension.httppanel.view.text.HttpPanelTextView;
import org.zaproxy.zap.extension.httppanel.view.util.HttpTextViewUtils;
import org.zaproxy.zap.extension.search.SearchMatch;

public class HttpRequestAllPanelTextView extends HttpPanelTextView {

	private static final Logger log = Logger.getLogger(HttpRequestAllPanelTextView.class);
	
	public HttpRequestAllPanelTextView(RequestStringHttpPanelViewModel model) {
		super(model);
	}
	
	@Override
	protected HttpPanelTextArea createHttpPanelTextArea() {
		return new HttpRequestAllPanelTextArea();
	}
	
	protected static class HttpRequestAllPanelTextArea extends HttpPanelTextArea {

		private static final long serialVersionUID = 6236551060576387786L;
		
		@Override
		public void search(Pattern p, List<SearchMatch> matches) {
			String header = ((HttpMessage) getMessage()).getRequestHeader().toString();
			
			Matcher m = p.matcher(getText());
			while (m.find()) {
				int[] position = HttpTextViewUtils.getViewToHeaderBodyPosition(this, header, m.start(), m.end());
				if (position.length == 0) {
					return;
				}

				SearchMatch.Location location = position.length == 2
						? SearchMatch.Location.REQUEST_HEAD
						: SearchMatch.Location.REQUEST_BODY;
				matches.add(new SearchMatch(location, position[0], position[1]));
			}
		}
		
		@Override
		public void highlight(SearchMatch sm) {
			if (!(SearchMatch.Location.REQUEST_HEAD.equals(sm.getLocation()) ||
				SearchMatch.Location.REQUEST_BODY.equals(sm.getLocation()))) {
				return;
			}
			
			int[] pos;
			if (SearchMatch.Location.REQUEST_HEAD.equals(sm.getLocation())) {
				pos = HttpTextViewUtils.getHeaderToViewPosition(
						this,
						sm.getMessage().getRequestHeader().toString(),
						sm.getStart(),
						sm.getEnd());
			} else {
				pos = HttpTextViewUtils.getBodyToViewPosition(
						this,
						sm.getMessage().getRequestHeader().toString(),
						sm.getStart(),
						sm.getEnd());
			}

			if (pos.length == 0) {
				return;
			}
			
			highlight(pos[0], pos[1]);
		}
		
	}
}
